Tools designed for PES 2017 that don't support the updated encryption in PES 2021.
When using these tools, Windows Defender or other antivirus software may occasionally flag them as a false positive
: Created by Devil Cold52, these are the primary tools for converting texture files in the PES 2021 PC version. FtexTool by Atvaark : A highly regarded open-source tool hosted on that handles conversions between CG PES Explorer (v0.7 / 0.7.1)